[3443] | 1 | MODULE p2zsed |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p2zsed *** |
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| 4 | !! TOP : PISCES Compute loss of organic matter in the sediments |
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| 5 | !!====================================================================== |
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| 6 | !! History : - ! 1995-06 (M. Levy) original code |
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| 7 | !! - ! 2000-12 (E. Kestenare) clean up |
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| 8 | !! 2.0 ! 2007-12 (C. Deltel, G. Madec) F90 + simplifications |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | #if defined key_pisces_reduced |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! 'key_pisces_reduced' LOBSTER bio-model |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! p2z_sed : Compute loss of organic matter in the sediments |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce_trc ! |
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| 17 | USE trc |
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| 18 | USE sms_pisces |
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| 19 | USE lbclnk |
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[4990] | 20 | USE trd_oce |
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| 21 | USE trdtrc |
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[3443] | 22 | USE iom |
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| 23 | USE prtctl_trc ! Print control for debbuging |
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| 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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| 28 | PUBLIC p2z_sed ! called in ??? |
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| 29 | PUBLIC p2z_sed_init ! called in ??? |
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| 30 | |
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[4147] | 31 | REAL(wp), PUBLIC :: sedlam !: time coefficient of POC remineralization in sediments |
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| 32 | REAL(wp), PUBLIC :: sedlostpoc ! mass of POC lost in sediments |
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| 33 | REAL(wp), PUBLIC :: vsed ! detritus sedimentation speed [m/s] |
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| 34 | REAL(wp), PUBLIC :: xhr ! coeff for martin''s remineralisation profile |
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[3443] | 35 | |
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| 36 | !!---------------------------------------------------------------------- |
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| 37 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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[5215] | 38 | !! $Id$ |
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[3443] | 39 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | |
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| 42 | CONTAINS |
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| 43 | |
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| 44 | SUBROUTINE p2z_sed( kt ) |
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| 45 | !!--------------------------------------------------------------------- |
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| 46 | !! *** ROUTINE p2z_sed *** |
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| 47 | !! |
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| 48 | !! ** Purpose : compute the now trend due to the vertical sedimentation of |
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| 49 | !! detritus and add it to the general trend of detritus equations |
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| 50 | !! |
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| 51 | !! ** Method : this ROUTINE compute not exactly the advection but the |
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| 52 | !! transport term, i.e. dz(wt) and dz(ws)., dz(wtr) |
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| 53 | !! using an upstream scheme |
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| 54 | !! the now vertical advection of tracers is given by: |
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| 55 | !! dz(trn wn) = 1/bt dk+1( e1t e2t vsed (trn) ) |
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| 56 | !! add this trend now to the general trend of tracer (ta,sa,tra): |
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| 57 | !! tra = tra + dz(trn wn) |
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| 58 | !! |
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| 59 | !! IF 'key_diabio' is defined, the now vertical advection |
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| 60 | !! trend of passive tracers is saved for futher diagnostics. |
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| 61 | !!--------------------------------------------------------------------- |
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| 62 | !! |
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| 63 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 64 | !! |
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| 65 | INTEGER :: ji, jj, jk, jl, ierr |
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| 66 | CHARACTER (len=25) :: charout |
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| 67 | REAL(wp), POINTER, DIMENSION(:,: ) :: zw2d |
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| 68 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zwork, ztra, ztrbio |
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| 69 | !!--------------------------------------------------------------------- |
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| 70 | ! |
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| 71 | IF( nn_timing == 1 ) CALL timing_start('p2z_sed') |
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| 72 | ! |
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| 73 | IF( kt == nittrc000 ) THEN |
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| 74 | IF(lwp) WRITE(numout,*) |
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| 75 | IF(lwp) WRITE(numout,*) ' p2z_sed: LOBSTER sedimentation' |
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| 76 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
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| 77 | ENDIF |
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| 78 | |
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| 79 | ! Allocate temporary workspace |
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[4609] | 80 | CALL wrk_alloc( jpi, jpj, jpk, zwork, ztra ) |
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[3443] | 81 | IF( l_trdtrc ) THEN |
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| 82 | CALL wrk_alloc( jpi, jpj, jpk, ztrbio ) |
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| 83 | ztrbio(:,:,:) = tra(:,:,:,jpdet) |
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| 84 | ENDIF |
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| 85 | |
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| 86 | ! sedimentation of detritus : upstream scheme |
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| 87 | ! -------------------------------------------- |
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| 88 | |
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| 89 | ! for detritus sedimentation only - jpdet |
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| 90 | zwork(:,:,1 ) = 0.e0 ! surface value set to zero |
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| 91 | zwork(:,:,jpk) = 0.e0 ! bottom value set to zero |
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| 92 | |
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| 93 | ! tracer flux at w-point: we use -vsed (downward flux) with simplification : no e1*e2 |
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| 94 | DO jk = 2, jpkm1 |
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| 95 | zwork(:,:,jk) = -vsed * trn(:,:,jk-1,jpdet) |
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| 96 | END DO |
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| 97 | |
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| 98 | ! tracer flux divergence at t-point added to the general trend |
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| 99 | DO jk = 1, jpkm1 |
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| 100 | DO jj = 1, jpj |
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| 101 | DO ji = 1, jpi |
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[6140] | 102 | ztra(ji,jj,jk) = - ( zwork(ji,jj,jk) - zwork(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
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[3443] | 103 | tra(ji,jj,jk,jpdet) = tra(ji,jj,jk,jpdet) + ztra(ji,jj,jk) |
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| 104 | END DO |
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| 105 | END DO |
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| 106 | END DO |
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| 107 | |
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[4996] | 108 | IF( lk_iomput ) THEN |
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| 109 | IF( iom_use( "TDETSED" ) ) THEN |
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| 110 | CALL wrk_alloc( jpi, jpj, zw2d ) |
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[6140] | 111 | zw2d(:,:) = ztra(:,:,1) * e3t_n(:,:,1) * 86400._wp |
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[4996] | 112 | DO jk = 2, jpkm1 |
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[6140] | 113 | zw2d(:,:) = zw2d(:,:) + ztra(:,:,jk) * e3t_n(:,:,jk) * 86400._wp |
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[4996] | 114 | END DO |
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| 115 | CALL iom_put( "TDETSED", zw2d ) |
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| 116 | CALL wrk_dealloc( jpi, jpj, zw2d ) |
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[3443] | 117 | ENDIF |
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[4996] | 118 | ELSE |
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| 119 | IF( ln_diatrc ) THEN |
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| 120 | CALL wrk_alloc( jpi, jpj, zw2d ) |
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[6140] | 121 | zw2d(:,:) = ztra(:,:,1) * e3t_n(:,:,1) * 86400._wp |
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[4996] | 122 | DO jk = 2, jpkm1 |
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[6140] | 123 | zw2d(:,:) = zw2d(:,:) + ztra(:,:,jk) * e3t_n(:,:,jk) * 86400._wp |
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[4996] | 124 | END DO |
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| 125 | trc2d(:,:,jp_pcs0_2d + 7) = zw2d(:,:) |
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| 126 | CALL wrk_dealloc( jpi, jpj, zw2d ) |
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| 127 | ENDIF |
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[3443] | 128 | ENDIF |
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| 129 | ! |
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[4609] | 130 | IF( ln_diabio .AND. .NOT. lk_iomput ) trbio(:,:,:,jp_pcs0_trd + 7) = ztra(:,:,:) |
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[3443] | 131 | CALL wrk_dealloc( jpi, jpj, jpk, zwork, ztra ) |
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| 132 | ! |
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| 133 | IF( l_trdtrc ) THEN |
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| 134 | ztrbio(:,:,:) = tra(:,:,:,jpdet) - ztrbio(:,:,:) |
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| 135 | jl = jp_pcs0_trd + 7 |
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[4990] | 136 | CALL trd_trc( ztrbio, jl, kt ) ! handle the trend |
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[3443] | 137 | CALL wrk_dealloc( jpi, jpj, jpk, ztrbio ) |
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| 138 | ENDIF |
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| 139 | |
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| 140 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 141 | WRITE(charout, FMT="('sed')") |
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| 142 | CALL prt_ctl_trc_info(charout) |
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| 143 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 144 | ENDIF |
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| 145 | ! |
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| 146 | IF( nn_timing == 1 ) CALL timing_stop('p2z_sed') |
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| 147 | ! |
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| 148 | END SUBROUTINE p2z_sed |
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| 149 | |
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| 150 | SUBROUTINE p2z_sed_init |
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| 151 | !!---------------------------------------------------------------------- |
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| 152 | !! *** ROUTINE p2z_sed_init *** |
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| 153 | !! |
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| 154 | !! ** Purpose : Parameters from aphotic layers to sediment |
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| 155 | !! |
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| 156 | !! ** Method : Read the namlobsed namelist and check the parameters |
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| 157 | !! |
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| 158 | !!---------------------------------------------------------------------- |
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| 159 | NAMELIST/namlobsed/ sedlam, sedlostpoc, vsed, xhr |
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[4147] | 160 | INTEGER :: ios ! Local integer output status for namelist read |
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[3443] | 161 | |
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[4147] | 162 | REWIND( numnatp_ref ) ! Namelist namlobsed in reference namelist : Lobster sediments |
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| 163 | READ ( numnatp_ref, namlobsed, IOSTAT = ios, ERR = 901) |
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| 164 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlosed in reference namelist', lwp ) |
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[3443] | 165 | |
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[4147] | 166 | REWIND( numnatp_cfg ) ! Namelist namlobsed in configuration namelist : Lobster sediments |
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| 167 | READ ( numnatp_cfg, namlobsed, IOSTAT = ios, ERR = 902 ) |
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| 168 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobsed in configuration namelist', lwp ) |
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[4624] | 169 | IF(lwm) WRITE ( numonp, namlobsed ) |
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[4147] | 170 | |
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[3443] | 171 | IF(lwp) THEN |
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| 172 | WRITE(numout,*) ' Namelist namlobsed' |
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| 173 | WRITE(numout,*) ' time coeff of POC in sediments sedlam =', sedlam |
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| 174 | WRITE(numout,*) ' Sediment geol loss for POC sedlostpoc=', sedlostpoc |
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| 175 | WRITE(numout,*) ' detritus sedimentation speed vsed =', 86400 * vsed , ' d' |
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| 176 | WRITE(numout,*) ' coeff for martin''s remineralistion xhr =', xhr |
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| 177 | WRITE(numout,*) ' ' |
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| 178 | ENDIF |
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| 179 | ! |
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| 180 | END SUBROUTINE p2z_sed_init |
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| 181 | |
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| 182 | #else |
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| 183 | !!====================================================================== |
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| 184 | !! Dummy module : No PISCES bio-model |
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| 185 | !!====================================================================== |
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| 186 | CONTAINS |
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| 187 | SUBROUTINE p2z_sed( kt ) ! Empty routine |
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| 188 | INTEGER, INTENT( in ) :: kt |
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| 189 | WRITE(*,*) 'p2z_sed: You should not have seen this print! error?', kt |
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| 190 | END SUBROUTINE p2z_sed |
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| 191 | #endif |
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| 192 | |
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| 193 | !!====================================================================== |
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| 194 | END MODULE p2zsed |
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